Ключевые слова: background, black, building, cargo, chain, chains, closeup, construction, crane, engineering, equipment, factory, gear, hang, heavy, high, hoist, hoisting, hold, hook, industrial, industry, iron, lift, lifting, lifting equipment, load, machine, machinery, manufacturing, mechanical, metal, object, overhead, plant, pulley, rope, safety, site, sling, steel, strength, strong, technology, tool, up, warehouse, weight, winch, work,